Bookshelf



FIG. 1 is a perspective view of a first embodiment of the bookshelf showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof; and

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a perspective view of a second embodiment of the bookshelf showing my new design;

FIG. 8 is a top plan view thereof;

FIG. 9 is a front elevational view thereof;

FIG. 10 is a right side elevational view thereof;

FIG. 11 is a left side elevational view thereof; and,

FIG. 12 is a rear elevational view thereof.

The broken line showing of a cross bar in all figures are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a bookshelf, as shown and described. 